Implementation and thickness optimization of perpetual pavements in Ohio : [executive summary].

Sargand, Shad; Khoury, Issam; Jordan, Ben

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Implementation and thickness optimization of perpetual pavements in Ohio : [executive summary].

2015-06-01
By Sargand, Shad ; Khoury, Issam ; Jordan, Ben

File Language:

English

Details

Creators:

Sargand, Shad ; Khoury, Issam ; Jordan, Ben
Corporate Creators:

Ohio. Department of Transportation. Office of Statewide Planning and Research
Subject/TRT Terms:
Publication/ Report Number:

FHWA/OH-2015/17
Resource Type:

Brief
Geographical Coverage:

Ohio
Corporate Publisher:

Ohio. Department of Transportation. Office of Statewide Planning and Research
Abstract:

Perpetual asphalt pavements are designed to confine distresses to the upper layer of the structure, by eliminating ; or reducing the potential for fatigue cracking by maintaining the horizontal strains at the bottom of the pavement ; below a critical fatigue endurance limit (FEL). While there have been a number of successful installations of ; perpetual pavements, there are still questions to be answered in order to achieve a comprehensive understanding of ; the design of such pavements. For example, although various endurance limits have been proposed, none have been ; determined and field validated for efficient design. The National Center for Asphalt Technology (NCAT) suggested ; the FEL value for most perpetual pavement designs is in the range of 70 to 100 µε. However, based on the results of ; different in-service pavement sections, some researchers suggested the Fatigue Resistance Layer (FRL) can ; withstand up to 150 µε depending on the type of mixture used.
Format:

PDF
Funding:

State Job Number: 465970
Download URL:

https://rosap.ntl.bts.gov/view/dot/29356/dot_29356_DS1.pdf
File Type:

[PDF - 244.64 KB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:31d2232e43c4c14b45c75125b37bf806c5adedf93a88af6d145ae0126f92bc2f6bb15e38e2203ee79b2ba9f8a37519ab7c95691b58f7a9de599ec1d46723cb18

File Language:

English

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